为什么叶绿素是自然界最高等的光吸收体，却需要保护？
Why does chlorophyll need protection when it is the natural world's supreme light absorber?
从最低等到最高等的生物体，细胞都是最基本的结构单位。
IN ALL BIOLOGICAL SYSTEMS, FROM THE most primitive to the most advanced, the basic building block is the cell.
在印度存在着部分种族主义，下等的印度教徒通常肤色更黑，而高等的教徒肤色更白一些。
In India it is partly racist: lower-caste Hindus are usually darker and upper-caste Hindus usually lighter.
八个来自世界最高等的商学院和大学的团队围坐桌前，等待着对它们味蕾和葡萄酒专业知识的最后检验。
Eight teams from the world’s top business schools and universities wait at round tables, ready for a showdown of their esoteric wine knowledge and tastebud skills.
然而这一发现又提出了一个新的问题：在微生物统治地球25亿年之后，为什么在那个时候出现了体型更大、更高等的生物？
But it also raises the question of why, after more than 2.5 billion years during which microscopic life dominated the planet, larger, more complex, forms emerged at that time?
高等教育是不平等分配给各社会各阶层的。
Higher education is unequally distributed across social classes.
我学过高等数学之类的课程。
从那时起，我就在上《数据科学》和《高等数学》之类的课程了。
Since then, I have taken courses like Data Science and Advanced Mathematics.
今年，有25310名接受高等教育院校录取的学生推迟至明年入学。
This year, 25,310 students who have accepted places in higher education institutions have put off their entry until next year.
事实上，成绩宽恕只是大学回应消费者对高等教育期望的另一种方式。
Indeed, grade forgiveness is just another way that universities are responding to consumers' expectations for higher education.
然而，美国高等教育中也有危险的迹象。
Yet, there are signs of peril within American higher education.
由于面临严重的预算紧缩，许多州大幅削减了对高等教育的资助。
Caught in a severe budget crunch, many states have sharply scaled back their funding for higher education.
七年级后的那个夏天，学生们要在大学校园里待上三周，每天学习七个小时的高等数学。
The summer after 7th grade, students spend three weeks on a college campus studying advanced math for seven hours a day.
大多数高等数学竞赛的训练都是在正常上学时间之外进行。
Most of the training for advanced-math competitions happens outside the confines of the normal school day.
控制着21%高等教育市场的麦格劳·希尔在3月里的报告称，其数字内容销售额在2015年首次超过了纸质。
McGraw Hill, which controls 21% of the higher education market, reported in March that its digital content sales exceeded print sales for the first time in 2015.
日本的高等教育比他们的更优越。
20世纪90年代高等教育的一个关键问题是需要使课程更加多样化。
A key issue for higher education in the 1990s is the need for greater diversity of courses.
和其他刚进入令人生畏的高等教育领域的学生一样，她在通往大学的道路上也常常步履维艰。
Like other student new to the intimidating higher-education world, she often struggled on her path to college.
许多来自我的大学和我所在城市的学生访问过中国，并在这里完成了他们的高等教育。
Many students from my university and my city have visited China and completed their higher education here.
莫南德先生总结道，改革高等教育的关键，在于改变 “培养知识分子 ” 的方式。
The key to reforming higher education, concludes Mr. Menand, is to alter the way in which "the producers of knowledge are produced".
他们写道，许多第一代大学生“努力摸索高等教育的中产阶级文化，学习 ‘游戏规则’ ，并充分利用大学资源”。
Many first-generation students "struggle to navigate the middle-class culture of higher education, learn the 'rules of the game', and take advantage of college resources," they write.
第三点，相关年龄组在高等教育机构就读比例的变化反映了增长。
Third, growth was reflected in changes in the proportion of the relevant age group enrolled in institutions of higher education.
这些需求导致了高等教育体系的迅速扩张，它始于20世纪60年代，迅速发展于70年代和80年代（尽管并不均衡）。
These demands resulted in a very rapid expansion of the systems of higher education, beginning in the 1960s and developing very rapidly (though unevenly) during the 1970s and 1980s.
高等数学学生的家长和 Math Counts 项目的教练说，孩子们一直访问这个网站。
Parents of advanced-math students and Math Counts coaches say the children are on the website constantly.
去年秋天，当尼杰·威廉姆斯作为第一代学生和一名牙买加移民进入大学时，他还没有做好接受严格的高等教育的学业准备。
When Nijay Williams entered college last fall as a first-generation student and Jamaican immigrant, he was academically unprepared for the rigors of higher education.
英国的高等教育体系备受推崇，拥有一些世界一流的大学和研究机构。
Britain has a well-respected higher education system and some of the top universities and research institutions in the world.
我们的大多数工作都是在高等教育范围，但我们偶尔做些超出那个范围的项目。
Most of our work is in higher education, but occasionally, we do projects that go beyond that scope.
受过高等教育的人的工资大幅上涨，而这些人在步入老年后仍能获得丰厚的回报，因为如今受过教育的老年人比上一代人生产力更高。
Pay has risen sharply for the highly educated, and those people continue to reap rich rewards into old age because these days the educated elderly are more productive than the preceding generation.
热心支持公立高等教育的人知道维持私立高等教育的重要性。
Ardent supporters of public higher education know the importance of sustaining private higher education.
热心支持公立高等教育的人知道维持私立高等教育的重要性。
Ardent supporters of public higher education know the importance of sustaining private higher education.
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